Home PC Playstation 3 Wii Xbox 360 Top Cheats Latest Cheats Top Categories Forum Search Search Cheats Jebo Network Jebo Avatars Jebo Chat Jebo Chords Cheats Jebo Screenshots Jokes Guitar Lessons Home > Wii > Need for Speed Carbon Cheats > Unlock Nikki You have selected the following cheat: Unlock Nikki. Unlock Nikki Unlock Nikki by defeating all 3 beginning bosses. Other Cheat for This Game Home > Wii > Need for Speed Carbon Cheats > Unlock Nikki If you find any problems with the video game cheats on this site please feel free to contact us..